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http://linux.101hacks.com/unix/tee-command-examples/
Tee Command Usage Examples
linux.101hacks.com
Tee command is used to store and view (both at the same time) the output of any other command. Tee... [...]

http://exploit-exercises.com/
About Exploit Exercises
exploit-exercises.com
exploit-exercises.com provides a variety of virtual machines, documentation and challenges that can be used to learn... [...]